445591-1

Series:	ARINC 404
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	--
Pin or Socket:	Socket
Contact Termination:	Crimp
Wire Gauge:	20-24 AWG
Contact Finish:	Gold
Contact Finish Thickness:	50.0µin (1.27µm)

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Introduction

Backplane connectors – contacts are a class of connectors used primarily to connect different printed circuit board buses and subsystems to main control circuitry in a single cable. These are usually used in high-speed data applications. The 445591-1 is a backplane connector contact manufactured by AMPHENOL. This article aims to provide an overview on the application fields and working principle of the 445591-1 backplane connector contact.

Application Fields

The 445591-1 backplane connector contact is primarily designed for use in applications related to distributed power systems, datacom, storage area networks, communications, industrial automation, medical electronics, and avionics. It is suitable for use in a wide range of applications due to its robust design, ease of use, and reliability. From a power handling standpoint, the 445591-1 is rated for a maximum of 20 Amps at a nominal voltage of 600V. It is also rated for a minimum working temperature of -55°C. Additionally, the 445591-1 has a high signal integrity performance and offers a very low insertion loss. As such, it is suitable for use in a wide range of applications related to high-speed data operations.

Design and Configurations

The 445591-1 contact is a robust, low profile, cost effective and reliable contact. It features a dual-ground contact for increased signal integrity. It is also designed with robust features such as snag-proof features, terminated leads, terminal positioning arms, and a removable tail. Additionally, the contact has an anti-jamming design. The 445591-1 is available in two configurations – single row and double row. The double row version is for applications where two or more contact contacts are required for reliable power contact This configuration is available in six different pitches – 0.187 inch (4.75mm), 0.250 inch (6.35mm), 0.312 inch (7.92mm), 0.375 inch (9.52mm), 0.405 inch (10.3mm), and 0.438 inch (11.1mm).

Working Principle

The 445591-1 contact utilizes an isolation system that allows the user to power contact multiple layers without affecting the contact\'s performance. This is achieved by having each row\'s contacts linked to the other row\'s contacts so they function as a single contact. Each row\'s contact is also equipped with an inner insulation layer that is capable of holding up to 1000Vac. This insulation layer provides electrical isolation between contacts in the same row. This prevents any shorting issues from occurring when power is applied. Additionally, the 445591-1 features a unique contact pin configuration. Instead of using a single contact pin, the 445591-1 uses multiple contacts configured in a diamond pattern. This provides increased power contact contact area which helps to reduce contact resistance. Finally, the 445591-1 contact also features an innovative "lock-in" feature that helps to ensure a secure connection between the contact and its mating Contact. This helps to ensure reliable performance in applications with high vibration or shock.

Conclusion

The 445591-1 is a robust, versatile, and reliable backplane connector contact that is suitable for use in a wide range of applications. It is rated for a maximum of 20 Amps at a nominal voltage of 600V, and it features a dual-ground contact design, an inner insulation layer, and an innovative "lock-in" feature for secure connections. Additionally, the 445591-1 is available in both single row and double row configurations. Understanding the application fields and working principle of the 445591-1 backplane connector contact will help users to select the right contact for their applications.

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